US Bridges

Morrison Blvd over Jahncke Canal

Good

Orleans Parish, Louisiana · 0.2M East of Bullard RD · Structure no. 023630034895742

Built
1993
32 years old
Condition
Good
inspected February 2023
Type
Slab
Concrete
Length
190 ft
10 main spans
Daily traffic
1,000
1992 count
Owner
City
City or Municipal Highway Agency

About this bridge

Morrison Blvd over Jahncke Canal is a concrete slab carrying Morrison Blvd over Jahncke Canal in Orleans Parish, Louisiana. It was built in 1993, so it is 32 years old, younger than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,000 vehicles a day, projected to reach 1,100 by 2012. The structure is 190 ft (57.9 m) long and 32 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesMorrison Blvd
CrossesJahncke Canal
Location0.2M East of Bullard RD
RouteCity Street 0
CountyOrleans Parish
StateLouisiana
Coordinates30.05355, -89.96203
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.8 US tons
Inventory rating44 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans10
Design loadHS 20
Structure length190 ft (57.9 m)
Longest span19 ft (5.8 m)
Deck width32 ft (9.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (1992)
Projected traffic1,100 by 2012
Trucks—
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$600,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Morrison Blvd over Jahncke Canal built?

It was built in 1993, making it 32 years old in 2025.

What condition is Morrison Blvd over Jahncke Canal in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2023.

How much traffic does Morrison Blvd over Jahncke Canal carry?

About 1,000 vehicles per day (1992 count).

How long is Morrison Blvd over Jahncke Canal?

The structure is 190 ft (57.9 m) long with a longest span of 19 ft (5.8 m) and a deck 32 ft wide.

Who owns Morrison Blvd over Jahncke Canal?

It is owned by the City or Municipal Highway Agency.